Visualizing RT and Accuracy

Visualizing raw correlations

Within predictors

Predictors vs DVs

Note: Proportion of labels with gestures is shows inverse relations: it’s positively related to RT and negatively to CDI.

Models

Reaction time as dependent variable

Plotting DV

Models RT

Model comparison

Model comparison predicting RT at 25mo
Model waic se_waic weight
label_me 552.90 9.98 0.37
label 554.17 10.00 0.20
null 555.25 10.22 0.12
label_gesture 555.55 9.99 0.10
rel_overlap 556.62 10.17 0.06
overlap 556.68 9.96 0.06
label_gesture_int 556.91 9.85 0.05
gesture 556.96 9.94 0.05

Visualizing model predictors

CDI as dependent variable

Plotting DV

Models CDI

Model comparison

Model comparison predicting CDI at 25mo
Model waic se_waic weight
label 479.58 7.65 0.41
label_me 481.00 8.18 0.20
label_gesture 481.93 7.68 0.13
rel_overlap 481.98 6.09 0.12
overlap 483.04 6.67 0.07
label_gesture_int 484.08 7.73 0.04
gesture 486.46 6.59 0.01
null 486.54 6.98 0.01

Visualizing model predictors

Additional analysis

Accuracy as dependent variable

Predictors vs DVs

Plotting DV

Models

Model comparison

Model comparison predicting Accuracy at 25mo
Model waic se_waic weight
null -84.81 8.13 0.23
label_me -84.49 8.22 0.20
label -83.47 8.17 0.12
label_gesture_int -83.34 8.09 0.11
label_gesture -83.20 8.26 0.10
gesture -82.99 8.27 0.09
rel_overlap -82.51 8.10 0.07
overlap -82.46 8.11 0.07

Visualizing model predictors

Correlation between RT 18 and Vocab 25

Correlation by gesture type

Concurrent relations at 18m

Visualizing raw correlations